1. Engine Bearings Parts
  2. sku: 13405234532657721
  3. MAXIFORCE TAT21139

MAXIFORCE TAT21139 Thrust Bearing Deere Diesel Engine 4039D

fits model: Std.

Tat21139 Maxiforce Main Thrust Bearing Std 4039d John Deere Diesel Engine

( Brand: Maxiforce ), ( Type: Thrust Bearing ), ( Manufacturer Warranty: No Warranty ), ( Manufacturer Part Number: TAT21139 ), ( Country Of Origin: United States )

Review MAXIFORCE Main Thrust Bearing John Deere Diesel Engine fits STD

Maxiforce TAT21139 Thrust Bearing is a superior quality replacement component designed specifically for John Deere diesel engines with part number 4039D. This thrust bearing is a crucial part of the engine's crankshaft assembly, responsible for reducing friction and ensuring smooth operation.

The Maxiforce TAT21139 Thrust Bearing is meticulously engineered to meet or exceed OEM specifications. It is manufactured using high-quality steel alloys and advanced production processes to ensure superior strength, durability, and reliability. The bearing features a precision-machined bore and an optimally designed labyrinth seal to minimize oil leakage.

The Maxiforce TAT21139 Thrust Bearing comes with a perfect fit and finish, ensuring easy installation and minimal downtime. It is designed to provide excellent performance and long service life, allowing you to operate your John Deere diesel engine with confidence and peace of mind.

The Maxiforce TAT21139 Thrust Bearing is a direct replacement for the OEM component, ensuring that you maintain the performance and reliability of your engine without the need for costly dealer repairs. It is backed by a comprehensive warranty, providing you with the protection and assurance you need to keep your equipment running at its best.

In summary, the Maxiforce TAT21139 Thrust Bearing is a high-quality, reliable, and cost-effective replacement component for the John Deere 4039D diesel engine. It is meticulously engineered to meet or exceed OEM specifications, ensuring superior strength, durability, and reliability. With easy installation, long service life, and a comprehensive warranty, the Maxiforce TAT21139 Thrust Bearing is the ideal choice for maintaining the performance and reliability of your John Deere diesel engine.

Maxiforce TAT21139 Thrust Bearing is a standard replacement part for Deere diesel engines, particularly model 4039D. Here are some pros and cons that may help you decide whether to purchase this thrust bearing.

Pros:

1. OEM (Original Equipment Manufacturer) Replacement: Maxiforce TAT21139 is a manufacturer-approved replacement part designed to fit and function like the original equipment in your Deere diesel engine.

2. Enhanced Performance: A new thrust bearing can help improve engine performance by ensuring proper lubrication and reducing friction.

3. Longer Lifespan: A high-quality thrust bearing can last longer than a worn-out or failing one, reducing the need for frequent replacements.

4. Peace of Mind: Purchasing an OEM part from a reputable manufacturer like Maxiforce can give you peace of mind knowing that the part is tested and proven to work effectively in your specific engine model.

Cons:

1. Cost: OEM replacement parts can be more expensive than aftermarket alternatives. However, the increased cost may be worth it for the reliability and performance benefits.

2. Availability: Depending on your location and the availability of parts from authorized dealers, you may have to wait for the part to be shipped to you.

3. Installation: Installing the thrust bearing yourself may require specialized tools and knowledge. It might be best to have it installed by a professional to ensure proper installation and avoid any potential damage to the engine.

In conclusion, the Maxiforce TAT21139 Thrust Bearing is an OEM replacement part designed to improve engine performance and longevity. While it may come with a higher cost and potential wait time for availability, the benefits of using a high-quality, manufacturer-approved part can outweigh these concerns. Ultimately, the decision to purchase this thrust bearing comes down to your budget, engine performance needs, and personal preference for using OEM parts. If you value reliability and performance, the Maxiforce TAT21139 Thrust Bearing is a solid choice.

Details:

Maxiforce TAT21139 Brag main thrust STD Diesel engine part NIB box is taped shut.

part #: tat21139 price

  • $1028.96

specifications engibearing:

  • for models: Std
  • brand: Maxiforce
  • type: Thrust Bearing
  • manufacturer warranty: No Warranty
  • manufacturer part number: TAT21139
  • country of origin: United States

returns engibearing:

  • policy: No Returns

seller engibearing:

  • city: Cedar Lake, Indiana
  • # reviews: 0
  • rating: 0.0%

shipping engibearing:

  • transit: 5-10 Days
  • class: Standard
  • service: USPS Ground Advantage
  • cost: $7.52
  • type: Calculated
  • carrier: USPS

offer engibearing:

  • quantity: 1
  • options: Ship-to-home
  • best offers: True
  • sold: 0
  • availability: In Stock
  • started: March 18, 2026

general engibearing:

  • Car Truck Parts Accessories > Engines Engine Parts > Engine Bearings
  • condition: Used

payments engibearing:

  • other
  • credit card: Diners-club
  • wallet: Apple-pay
for models: std, type: thrust bearing, manufacturer warranty: no warranty, country of origin: united states,
category: auto parts > car truck parts accessories > engines engine parts > engine bearings, sku: 13405234532657721,

Maxiforce TAT21139 Is Similar To:

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5 offers $1028.96–$1028.96 USD
  • New. Offer #1 priced at $1028.96 + $0.00 delivery = $1028.96* total. John Deere Engine Serial Number Guide John Deere Engine Overhaul Kit 4.239D/ - TAT86992.FREE SHIPPING
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  • New. Offer #5 priced at $1028.96 + $232.01 delivery = $1260.97* total. +$232.01 shipping

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